Home / 120,681,802.08-166,537,693.44-65,676,477.60

Finding the Fourth Proportional to 120,681,802.08, 166,537,693.44 and 65,676,477.60

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Solution

The fourth proportional to 120,681,802.08, 166,537,693.44 and 65,676,477.60 is: 90,631,801.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,681,802.08 : 166,537,693.44 = 65,676,477.60 : x
  2. Step 2: Convert to fraction form
    120,681,802.08/166,537,693.44 = 65,676,477.60/x
  3. Step 3: Cross multiply
    120,681,802.08x = 166,537,693.44 × 65,676,477.60
  4. Step 4: Simplify right side
    120,681,802.08x = 10,937,609,092,767,828
  5. Step 5: Solve for x
    x = 10,937,609,092,767,828/120,681,802.08
  6. Step 6: Final answer
    x = 90,631,801.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.